Searched refs:watermark (Results 1 – 4 of 4) sorted by relevance
| /kernel/events/ |
| D | ring_buffer.c | 232 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark)) in __perf_output_begin()
233 local_add(rb->watermark, &rb->wakeup); in __perf_output_begin()
309 ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) in ring_buffer_init() argument
313 if (watermark) in ring_buffer_init()
314 rb->watermark = min(max_size, watermark); in ring_buffer_init()
316 if (!rb->watermark) in ring_buffer_init()
317 rb->watermark = max_size / 2; in ring_buffer_init()
671 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
685 if (!watermark) in rb_alloc_aux()
686 watermark = nr_pages << (PAGE_SHIFT - 1); in rb_alloc_aux()
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| D | internal.h | 32 long watermark; /* wakeup watermark */ member
80 rb_alloc(int nr_pages, long watermark, int cpu, int flags);
83 pgoff_t pgoff, int nr_pages, long watermark, int flags);
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| D | core.c | 6422 event->attr.watermark ? event->attr.wakeup_watermark : 0, in perf_mmap()
7271 if (!event->attr.watermark) { in perf_output_sample()
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| /kernel/cgroup/ |
| D | pids.c | 50 int64_t watermark; member
95 if (nr_pids > READ_ONCE(p->watermark)) in pids_update_watermark()
96 WRITE_ONCE(p->watermark, nr_pids); in pids_update_watermark()
339 return READ_ONCE(pids->watermark); in pids_peak_read()
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